Konstantinos Vlachonassios, M.D.
Cardiovascular Disease Physician · Lakewood, CA
Konstantinos Vlachonassios, M.D. is a cardiovascular disease physician with a practice address in Lakewood, California, and NPI 1851473003, issued on Oct 19, 2006. Check the license (California A52738, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Konstantinos Vlachonassios
- Credential
- M.D.
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- A52738 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3300 E South St Ste 301, Lakewood, CA 90805
- Phone
- (562) 622-9500
- Enumerated
- Oct 19, 2006
- Entity
- Type 1 · individual
Verify Konstantinos Vlachonassios in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A52738Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.5 times the Medicare Part D claims of the average cardiovascular disease physician in 2024
7,757 Medicare Part D claims for 547 beneficiaries, against an average of 3,149 among the 19,556 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate424 claims
- Ezetimibe388 claims
- Atorvastatin Calcium376 claims
- Furosemide267 claims
- Rosuvastatin Calcium266 claims
- Hydralazine Hcl264 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The Medicare quality score for 2023: 18.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $3,196.01
106 payments, mostly food and beverage; the largest payer was Edwards Lifesciences Corporation. The 16,209 providers of this specialty with any payment received $4,923.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Cardiovascular Disease Physician providers in California
There are 2,322 cardiovascular disease physician records in California.
Other cardiovascular disease physician records in California
- Abdul Abbasi, MDLong Beach, CA1710071717
- Lillian Abdelmalek, MDSacramento, CA1881343796
- Robin Abdelmalik, M.D. FACCTemecula, CA1275656662
- Roberto Abdelnur, MDEl Centro, CA1982648606
- Sohail Abdi-Moradi, M.D.Moorpark, CA1376862938
- Nadia Abelhad, M.D.Chula Vista, CA1619400801
- Mohammad Abid, MD FACCIndio, CA1699857706
- Georges Abou Rjaili, MDRiverside, CA1073896544
- Maria Abraham, M.D.San Francisco, CA1669436960
- Theodore Abraham, M.D.San Francisco, CA1467427096
Common questions
What is Konstantinos Vlachonassios, M.D.'s NPI number?
Konstantinos Vlachonassios, M.D.'s National Provider Identifier (NPI) is 1851473003, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Konstantinos Vlachonassios, M.D. located?
The NPPES record lists a practice address at 3300 E South St Ste 301, Lakewood, CA, 90805. Phone: (562) 622-9500. Providers update this record themselves, so call before visiting.
How can I verify Konstantinos Vlachonassios, M.D.'s license?
NPPES lists California license number A52738, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Konstantinos Vlachonassios, M.D. prescribe under Medicare Part D?
In 2024, Konstantinos Vlachonassios, M.D. had 7,757 Medicare Part D claims for 547 beneficiaries; the average among cardiovascular disease physician prescribers was 3,149. Part D covers Medicare prescriptions only.
What is Konstantinos Vlachonassios, M.D.'s Medicare quality score?
The 2023 MIPS final score is 18.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.